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影视</span></a></li><li><a class="site-page" href="/games/"><i class="fa-fw iconfont icon-youxi1 faa-shake animated-hover"></i><span> 游戏</span></a></li><li><a class="site-page" href="/galleryGroup"><i class="fa-fw iconfont icon-tuku faa-shake animated-hover"></i><span> 图库</span></a></li></ul></div><div class="menus_item"><a class="site-page" href="/messagepad/"><i class="fa-fw iconfont icon-ziyuan6 faa-shake animated-hover"></i><span> 留言板</span></a></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw iconfont icon-icon_xinyong_xianxing_jijin- faa-shake animated-hover"></i><span> 友情链接</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw iconfont icon-guanyuwomen faa-shake animated-hover"></i><span> 关于我</span></a></div></div><span class="close" id="toggle-menu"><a class="site-page"><i class="fas fa-bars fa-fw"></i></a></span></span></nav><div id="post-info"><h1 class="post-title">Vue知识点总结(五.Vue路由(vue-router)上)</h1><div id="post-meta"><div class="meta-firstline"><span class="post-meta-date"><i class="far fa-calendar-alt fa-fw post-meta-icon"></i><span class="post-meta-label">发表于</span><time class="post-meta-date-created" datetime="2020-08-30T09:20:30.000Z" title="发表于 2020-08-30 17:20:30">2020-08-30</time><span class="post-meta-separator">|</span><i class="fas fa-history fa-fw post-meta-icon"></i><span class="post-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2021-01-10T12:28:22.340Z" title="更新于 2021-01-10 20:28:22">2021-01-10</time></span><span class="post-meta-categories"><span class="post-meta-separator">|</span><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E5%89%8D%E7%AB%AF%E5%AD%A6%E4%B9%A0/">前端学习</a></span></div><div class="meta-secondline"> <span class="post-meta-separator">|</span><span class="post-meta-wordcount"><i class="far fa-file-word fa-fw post-meta-icon"></i><span class="post-meta-label">字数总计:</span><span class="word-count">2.8k</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>11分钟</span></span><span class="post-meta-separator">|</span><span class="post-meta-pv-cv"><i class="far fa-eye fa-fw post-meta-icon"></i><span class="post-meta-label">阅读量:</span><span id="busuanzi_value_page_pv"></span></span></div></div></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><h1 id="五-Vue路由-vue-router-上"><a href="#五-Vue路由-vue-router-上" class="headerlink" title="五.Vue路由(vue-router)上"></a>五.Vue路由(vue-router)上</h1><blockquote>
<p>纯属随笔记录，具体详细教程，请查阅<a target="_blank" rel="noopener" href="https://vuejs.bootcss.com/guide/">vue.js官网</a></p>
<p>本篇文章参考自:</p>
<p>作者： 每逢佳节掉三根.<br>链接：<a target="_blank" rel="noopener" href="https://blog.csdn.net/qq_42043377/article/details/82894144">https://blog.csdn.net/qq_42043377/article/details/82894144</a></p>
</blockquote>
<ul>
<li><h2 id="路由概念"><a href="#路由概念" class="headerlink" title="路由概念:"></a>路由概念:</h2><p>​    Vue Router 是 <a target="_blank" rel="noopener" href="http://cn.vuejs.org/">Vue.js</a> 官方的路由管理器。它和 Vue.js 的核心深度集成，让构建单页面应用变得易如反掌。路由实际上就是可以理解为指向，就是我在页面上点击一个按钮需要跳转到对应的页面，这就是路由跳转；</p>
</li>
<li><h2 id="路由中的三个关键词-route，routes，router"><a href="#路由中的三个关键词-route，routes，router" class="headerlink" title="路由中的三个关键词(route，routes，router):"></a>路由中的三个关键词(route，routes，router):</h2><ol>
<li><strong>route</strong>：首先它是个单数，译为路由，即我们可以理解为单个路由或者某一个路由；</li>
<li><strong>routes</strong>：它是个复数，表示多个的集合才能为复数；即我们可以理解为多个路由的集合，JS中表示多种不同状态的集合的形式只有数组和对象两种，事实上官方定义routes是一个数组；所以我们记住了，routes表示多个数组的集合；</li>
<li><strong>router</strong>：译为路由器，上面都是路由，这个是路由器，我们可以理解为一个容器包含上述两个或者说它是一个管理者，负责管理上述两个；举个常见的场景的例子：当用户在页面上点击按钮的时候，这个时候router就会去routes中去查找route，就是说路由器会去路由集合中找对应的路由；</li>
<li>客户端中的路由，实际上就是dom 元素的显示和隐藏。当页面中显示home 内容的时候，about 中的内容全部隐藏，反之也是一样。客户端路由有两种实现方式：基于hash 和基于html5 history api.</li>
</ol>
</li>
<li><h2 id="Vue路由的实现"><a href="#Vue路由的实现" class="headerlink" title="Vue路由的实现:"></a>Vue路由的实现:</h2><ol>
<li><h4 id="安装"><a href="#安装" class="headerlink" title="安装:"></a>安装:</h4><figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line">npm install vue-router --save</span><br><span class="line">cnpm install vue-router --save</span><br><span class="line">yarn add vue-router --save</span><br></pre></td></tr></table></figure>

<p><strong>注: 如果你用vue-cli脚手架来搭建项目，配置过程会选择是否用到路由，如果选择y，后面下载依赖会自动下载vue-router。会在src文件夹下生成<code>router</code>文件夹</strong></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200830/trqNp5*BG7lN.png" alt="vue-cli脚手架搭建项目时"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/UJ3pCPXsL2!a.png" alt="文件夹位置"></p>
</li>
</ol>
</li>
</ul>
<pre><code> ---</code></pre>
<ol start="2">
<li><h4 id="创建路由组件"><a href="#创建路由组件" class="headerlink" title="创建路由组件:"></a>创建路由组件:</h4><ul>
<li>如果在一个模块化工程中使用它，必须要通过 <code>Vue.use()</code> 明确地安装路由功能：</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line">  <span class="keyword">import</span> Vue <span class="keyword">from</span> <span class="string">&#x27;vue&#x27;</span></span><br><span class="line">  <span class="keyword">import</span> VueRouter <span class="keyword">from</span> <span class="string">&#x27;vue-router&#x27;</span></span><br><span class="line"><span class="keyword">import</span> Home <span class="keyword">from</span> <span class="string">&#x27;../components/Home&#x27;</span></span><br><span class="line">  <span class="keyword">import</span> About <span class="keyword">from</span> <span class="string">&#x27;../components/About&#x27;</span></span><br><span class="line">Vue.use(VueRouter)</span><br></pre></td></tr></table></figure>

<ul>
<li>创建路由:</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">export</span> <span class="keyword">default</span> <span class="keyword">new</span> VueRouter(&#123;</span><br><span class="line">  routes:[</span><br><span class="line">    &#123;</span><br><span class="line">      path: <span class="string">&#x27;/home&#x27;</span>,</span><br><span class="line">      name: <span class="string">&#x27;Home&#x27;</span>,</span><br><span class="line">      component: Home</span><br><span class="line">  &#125;,</span><br><span class="line">    &#123;</span><br><span class="line">    path: <span class="string">&#x27;/about&#x27;</span>,</span><br><span class="line">      name: <span class="string">&#x27;About&#x27;</span>,</span><br><span class="line">    component: About</span><br><span class="line">    &#125;</span><br><span class="line">]</span><br><span class="line">&#125;)</span><br></pre></td></tr></table></figure>

<hr>
</li>
<li><h4 id="定义路由视图"><a href="#定义路由视图" class="headerlink" title="定义路由视图:"></a>定义路由视图:</h4><ul>
<li><p>在 App.vue中 定义<code>&lt;router-link &gt;</code> 和 <code>&lt;/router-view&gt; </code></p>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line">&lt;div id=<span class="string">&quot;app&quot;</span>&gt;</span><br><span class="line">    &lt;img src=<span class="string">&quot;./assets/logo.png&quot;</span>&gt;</span><br><span class="line">  &lt;header&gt;</span><br><span class="line">      &lt;!-- router-link 定义点击后导航到哪个路径下 --&gt;</span><br><span class="line">    &lt;router-link to=<span class="string">&quot;/home&quot;</span>&gt;Home&lt;/router-link&gt;</span><br><span class="line">      &lt;br&gt;</span><br><span class="line">    &lt;router-link to=<span class="string">&quot;/about&quot;</span>&gt;About&lt;/router-link&gt;</span><br><span class="line">    &lt;/header&gt;</span><br><span class="line">    &lt;!-- 对应的组件内容渲染到router-view中 --&gt;</span><br><span class="line">  &lt;router-view&gt;&lt;/router-view&gt;</span><br><span class="line">&lt;/div&gt;</span><br></pre></td></tr></table></figure>
<figure class="highlight plain"><table><tr><td class="code"><pre><span class="line">  </span><br></pre></td></tr></table></figure>

</li>
</ul>
</li>
</ol>
<ul>
<li><p><strong>知识点:</strong></p>
<ul>
<li><p><code>&lt;router-link&gt;</code>：</p>
<p>   是一个组件，它默认会被渲染成一个带有链接的a标签，通过to属性指定链接地址。<br>注意：被选中的<code>router-link</code>将自动添加一个class属性值.router-link-active。</p>
   <figure class="highlight plain"><table><tr><td class="code"><pre><span class="line">&lt;router-link to&#x3D;&quot;&#x2F;&quot;&gt;text&lt;&#x2F;router-link&gt;</span><br></pre></td></tr></table></figure>

<ul>
<li>to：导航路径，要填写的是你在router/index.js文件里配置的path值，如果要导航到默认首页，只需要写成  to=”/“  ，<ul>
<li>text ：就是我们要显示给用户的导航名称。</li>
</ul>
</li>
</ul>
</li>
<li><p><code>&lt;router-view&gt;</code>：</p>
<ul>
<li><code>&lt;router-view&gt;</code>标签相当于一个插槽，用于将匹配到的组件渲染出来，一个个路由定义的组件相当于卡，跳转某个路由时，该路由下的页面就插在这个插槽中渲染显示。<ul>
<li>一个组件可以有多个<code>&lt;router-view&gt;</code>视图，并用name值去区分它们，这种多用在网页布局方面，如上左主结构，这个时候就可以定义三个<code>&lt;router-view&gt;</code></li>
</ul>
</li>
</ul>
</li>
</ul>
<hr>
<ol start="4">
<li><h4 id="将路由对象注入Vue实例中"><a href="#将路由对象注入Vue实例中" class="headerlink" title="将路由对象注入Vue实例中:"></a>将路由对象注入Vue实例中:</h4><ul>
<li><p>**注: ** 一般在脚手架中会在main.js文件中填写</p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/SJJD67xtsTVn.png" alt="main.js文件"></p>
</li>
</ul>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">new</span> Vue(&#123;</span><br><span class="line">  render: <span class="function"><span class="params">h</span> =&gt;</span> h(App),</span><br><span class="line">  router # 将创建的路由实例注入Vue全局路由实例中</span><br><span class="line">&#125;).$mount(<span class="string">&#x27;#app&#x27;</span>)</span><br></pre></td></tr></table></figure>

<hr>
</li>
<li><h4 id="运行效果"><a href="#运行效果" class="headerlink" title="运行效果:"></a>运行效果:</h4><p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/@fzpWhMIpnKz.png" alt="默认打开页面"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/Qho5TZS0boEx.png" alt="点击Home跳转路由，观察url"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/6JY@Wgqu^cXu.png" alt="点击About跳转路由，观察url变化"></p>
</li>
</ol>
</li>
<li><h2 id="动态路由匹配和路由嵌套"><a href="#动态路由匹配和路由嵌套" class="headerlink" title="动态路由匹配和路由嵌套:"></a>动态路由匹配和路由嵌套:</h2><ol>
<li><h4 id="动态路由匹配-参数传递"><a href="#动态路由匹配-参数传递" class="headerlink" title="动态路由匹配(参数传递):"></a>动态路由匹配(参数传递):</h4><p>上面我们定义的路由，都是严格匹配的，只有router-link 中的to属性和 js 中一条路由route中 path 一模一样，才能显示相应的组件component. 但有时现实却不是这样的，当我们去访问网站并登录成功后，它会显示 欢迎你，+ 你的名字。不同的用户登录， 只是显示“你的名字” 部分不同，其它部分是一样的。这就表示，它是一个组件，假设是user组件。不同的用户（就是用户的id不同），它都会导航到同一个user  组件中。这样我们在配置路由的时候，就不能写死, 就是路由中的path属性，不能写死，那要怎么设置? 导航到 user 组件，路径中肯定有user, id 不同，那就给路径一个动态部分来匹配不同的id.  在vue-router中，动态部分 以 : 开头，那么路径就变成了<code> /user/:id</code>, 这条路由就可以这么写：<code>  &#123; path:&quot;/user/:id&quot;, component: user &#125;.</code></p>
<ul>
<li><strong>例子:</strong></li>
<li>一个“路径参数”使用冒号 <code>:</code> 标记。当匹配到一个路由时，参数值会被设置到 <code>this.$route.params</code>，可以在每个组件内使用。于是，我们可以更新 <code>User</code> 的模板，输出当前用户的 ID：</li>
</ul>
<figure class="highlight"><table><tr><td class="code"><pre><span class="line"># App.vue文件中</span><br><span class="line">&lt;div id=<span class="string">&quot;app&quot;</span>&gt;</span><br><span class="line">    &lt;img src=<span class="string">&quot;./assets/logo.png&quot;</span>&gt;</span><br><span class="line">    &lt;header&gt;</span><br><span class="line">      &lt;router-link to=<span class="string">&quot;/user/xiaohe&quot;</span>&gt;user:xiaohe&lt;/router-link&gt;</span><br><span class="line">      &lt;br&gt;</span><br><span class="line">      &lt;router-link to=<span class="string">&quot;/user/xiaozhang&quot;</span>&gt;user:xiaozhang&lt;/router-link&gt;</span><br><span class="line">    &lt;/header&gt;</span><br><span class="line">    &lt;!-- 对应的组件内容渲染到router-view中 --&gt;</span><br><span class="line">    &lt;router-view&gt;&lt;/router-view&gt;</span><br><span class="line">&lt;/div&gt;</span><br><span class="line"></span><br><span class="line"># router.js文件中</span><br><span class="line"><span class="keyword">export</span> <span class="keyword">default</span> <span class="keyword">new</span> VueRouter(&#123;</span><br><span class="line">  routes:[</span><br><span class="line">    &#123;</span><br><span class="line">      path: <span class="string">&#x27;/user/:id&#x27;</span>,</span><br><span class="line">      name: <span class="string">&#x27;User&#x27;</span>,</span><br><span class="line">      component: User</span><br><span class="line">    &#125;</span><br><span class="line">  ]</span><br><span class="line">&#125;)</span><br><span class="line"></span><br><span class="line"># 其他与上面一样</span><br></pre></td></tr></table></figure>

<ul>
<li><strong>效果:</strong></li>
</ul>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/vpM1KP^yMP9J.png" alt="点击user:xiaohe效果"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200831/zpu!iogmKtLb.png" alt="点击user:xiaozhang效果"></p>
<ul>
<li><strong>注:</strong></li>
</ul>
<p>这里还有最后一个问题，就是动态路由在来回切换时，由于它们都是指向同一组件，vue不会销毁再创建这个组件，而是复用这个组件，就是当第一次点击（如：<code>user:xiaohe</code>）的时候，vue 把对应的组件渲染出来，但在<code>user:xiaohe</code>,<code> user:xiaozhang</code>点击来回切换的时候，这个组件就不会发生变化了，组件的生命周期不管用了。这时如果想要在组件来回切换的时候做点事情，那么只能在组件内部（user.vue中）利用<code>watch</code> 来监听<code>$route</code> 的变化。把上面的代码用监听<code>$route </code>实现</p>
<hr>
</li>
<li><h4 id="嵌套路由"><a href="#嵌套路由" class="headerlink" title="嵌套路由:"></a>嵌套路由:</h4><p>很多时候我们的页面结构决定了我们可能需要嵌套路由，比如当我们进入主页之后有分类，然后当选择其中一个分类之后进入对应的详情，这个时候我们就可以用到嵌套路由；官方文档中给我们提供了一个children属性，这个属性是一个数组类型，里面实际放着一组路由；这个时候父子关系结构就出来了，所以children属性里面的是路由相对来说是children属性外部路由的子路由；</p>
<ul>
<li><p><strong>例子:</strong></p>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"># User.vue(父)文件中:</span><br><span class="line">&lt;template&gt;</span><br><span class="line">    &lt;div&gt;</span><br><span class="line">        &lt;h2&gt;用户列表:&lt;/h2&gt;</span><br><span class="line">        &lt;ul&gt;</span><br><span class="line">            &lt;li&gt;<span class="xml"><span class="tag">&lt;<span class="name">router-link</span> <span class="attr">to</span>=<span class="string">&quot;/user/xiaohe&quot;</span>&gt;</span>小何<span class="tag">&lt;/<span class="name">router-link</span>&gt;</span></span>&lt;/li&gt;</span><br><span class="line">            &lt;li&gt;<span class="xml"><span class="tag">&lt;<span class="name">router-link</span> <span class="attr">to</span>=<span class="string">&quot;/user/xiaozhang&quot;</span>&gt;</span>小张<span class="tag">&lt;/<span class="name">router-link</span>&gt;</span></span>&lt;/li&gt;</span><br><span class="line">        &lt;/ul&gt;</span><br><span class="line">        &lt;router-view&gt;&lt;/router-view&gt;</span><br><span class="line">    &lt;/div&gt;</span><br><span class="line">&lt;/template&gt;</span><br><span class="line"></span><br><span class="line"># router文件中:</span><br><span class="line"><span class="keyword">export</span> <span class="keyword">default</span> <span class="keyword">new</span> VueRouter(&#123;</span><br><span class="line">  routes:[</span><br><span class="line">    &#123;</span><br><span class="line">      path: <span class="string">&#x27;/home&#x27;</span>,</span><br><span class="line">      name: <span class="string">&#x27;Home&#x27;</span>,</span><br><span class="line">      component: Home</span><br><span class="line">    &#125;,</span><br><span class="line">    &#123;</span><br><span class="line">      path: <span class="string">&#x27;/about&#x27;</span>,</span><br><span class="line">      name: <span class="string">&#x27;About&#x27;</span>,</span><br><span class="line">      component: About</span><br><span class="line">    &#125;,</span><br><span class="line">    &#123;</span><br><span class="line">      path: <span class="string">&#x27;/user&#x27;</span>,</span><br><span class="line">      name: <span class="string">&#x27;User&#x27;</span>,</span><br><span class="line">      component: User,</span><br><span class="line">      children:[                      # 子路由的path只需要写路由名字就行</span><br><span class="line">        &#123;                            # 子路由也还可以继续嵌套,规则一样</span><br><span class="line">          path: <span class="string">&#x27;xiaohe&#x27;</span>,</span><br><span class="line">          name: <span class="string">&#x27;Xiaohe&#x27;</span>,</span><br><span class="line">          component: Xiaohe</span><br><span class="line">        &#125;,</span><br><span class="line">        &#123;</span><br><span class="line">          path: <span class="string">&#x27;xiaozhang&#x27;</span>,</span><br><span class="line">          name: <span class="string">&#x27;Xiaozhang&#x27;</span>,</span><br><span class="line">          component: Xiaozhang</span><br><span class="line">        &#125;</span><br><span class="line">    ]</span><br><span class="line">    &#125;</span><br><span class="line">  ]</span><br><span class="line">&#125;)</span><br></pre></td></tr></table></figure>

<ul>
<li><p><strong>效果:</strong></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200902/NTdof2VR9hTU.png" alt="点击user后的效果"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200902/!BXuj*c6PmRK.png" alt="点击小何后，url变化和页面变化效果"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200902/oW997Lk8PPi7.png" alt="点击小张后，url变化和页面变化效果"></p>
</li>
<li><p><strong>注:</strong></p>
<ol>
<li><p><code>children</code>属性其实就是一个子路由集合，数组结构里面放着子路由对象；</p>
</li>
<li><p><code>children</code> 配置就是像 <code>routes</code> 配置一样的路由配置数组，所以呢，你可以嵌套多层路由。</p>
</li>
</ol>
</li>
</ul>
</li>
</ul>
<hr>
</li>
<li><h4 id="编程式导航"><a href="#编程式导航" class="headerlink" title="编程式导航:"></a>编程式导航:</h4><p>除了使用 <code>&lt;router-link&gt;</code> 创建 a 标签来定义导航链接，我们还可以借助 router 的实例方法，通过编写代码来实现。</p>
<ol>
<li><p><strong><code>router.push( ):</code></strong></p>
<p>想要导航到不同的 URL，则使用 **router.push (在创建vue实例并挂载后调用)**。router.push方法就是用来动态导航到不同的链接的，这个方法会向 history 栈添加一个新的记录，所以，当用户点击浏览器后退按钮时，则回到之前的 URL。<br>当你点击 <router-link> 时，这个方法会在内部调用，所以说，点击 <router-link :to="..."> 等同于调用 router.push(…)。</p>
<table>
<thead>
<tr>
<th>声明式</th>
<th>编程式</th>
</tr>
</thead>
<tbody><tr>
<td><code>&lt;router-link :to=&quot;...&quot;&gt;</code></td>
<td><code>router.push(...)</code></td>
</tr>
</tbody></table>
<p>该方法的参数可以是一个字符串路径，或者一个描述地址的对象。例如：</p>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// 字符串</span></span><br><span class="line">router.push(<span class="string">&#x27;home&#x27;</span>)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 对象</span></span><br><span class="line">router.push(&#123; <span class="attr">path</span>: <span class="string">&#x27;home&#x27;</span> &#125;)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 命名的路由</span></span><br><span class="line">router.push(&#123; <span class="attr">name</span>: <span class="string">&#x27;user&#x27;</span>, <span class="attr">params</span>: &#123; <span class="attr">userId</span>: <span class="string">&#x27;123&#x27;</span> &#125;&#125;)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 带查询参数，变成 /register?plan=private</span></span><br><span class="line">router.push(&#123; <span class="attr">path</span>: <span class="string">&#x27;register&#x27;</span>, <span class="attr">query</span>: &#123; <span class="attr">plan</span>: <span class="string">&#x27;private&#x27;</span> &#125;&#125;)</span><br></pre></td></tr></table></figure>

<p><strong>注意：如果提供了 <code>path</code>，<code>params</code> 会被忽略，上述例子中的 <code>query</code> 并不属于这种情况。取而代之的是下面例子的做法，你需要提供路由的 <code>name</code> 或手写完整的带有参数的 <code>path</code>：</strong></p>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="keyword">const</span> userId = <span class="string">&#x27;123&#x27;</span></span><br><span class="line">router.push(&#123; <span class="attr">name</span>: <span class="string">&#x27;user&#x27;</span>, <span class="attr">params</span>: &#123; userId &#125;&#125;) <span class="comment">// -&gt; /user/123</span></span><br><span class="line">router.push(&#123; <span class="attr">path</span>: <span class="string">`/user/<span class="subst">$&#123;userId&#125;</span>`</span> &#125;) <span class="comment">// -&gt; /user/123</span></span><br><span class="line"><span class="comment">// 这里的 params 不生效</span></span><br><span class="line">router.push(&#123; <span class="attr">path</span>: <span class="string">&#x27;/user&#x27;</span>, <span class="attr">params</span>: &#123; userId &#125;&#125;) <span class="comment">// -&gt; /user # 注意这个错误示范</span></span><br></pre></td></tr></table></figure>
<hr>
</li>
<li><p><strong><code>router.replace( ):</code></strong></p>
<p>跟 <code>router.push</code> 很像，唯一的不同就是，它不会向 history 添加新记录，而是跟它的方法名一样 —— 替换掉当前的 history 记录。</p>
<table>
<thead>
<tr>
<th>声明式</th>
<th>编程式</th>
</tr>
</thead>
<tbody><tr>
<td><code>&lt;router-link :to=&quot;...&quot; replace&gt;</code></td>
<td><code>router.replace(...)</code></td>
</tr>
</tbody></table>
<hr>
</li>
<li><p><strong><code>router.go(n):</code></strong></p>
<p>这个方法的参数是一个整数，意思是在 history 记录中向前或者后退多少步，类似 <code>window.history.go(n)</code>。</p>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"><span class="comment">// 在浏览器记录中前进一步，等同于 history.forward()</span></span><br><span class="line">router.go(<span class="number">1</span>)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 后退一步记录，等同于 history.back()</span></span><br><span class="line">router.go(<span class="number">-1</span>)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 前进 3 步记录</span></span><br><span class="line">router.go(<span class="number">3</span>)</span><br><span class="line"></span><br><span class="line"><span class="comment">// 如果 history 记录不够用，那就默默地失败呗</span></span><br><span class="line">router.go(<span class="number">-100</span>)</span><br><span class="line">router.go(<span class="number">100</span>)</span><br></pre></td></tr></table></figure>

<hr>
</li>
</ol>
<ul>
<li><p><strong>实例:</strong></p>
<figure class="highlight javascript"><table><tr><td class="code"><pre><span class="line"># router.push()与router.replace(),router.go(n)</span><br><span class="line"># App.vue文件代码:</span><br><span class="line">&lt;div id=<span class="string">&quot;app&quot;</span>&gt;</span><br><span class="line">    &lt;img src=<span class="string">&quot;./assets/logo.png&quot;</span>&gt;</span><br><span class="line">    &lt;header&gt;</span><br><span class="line">      &lt;h3&gt;router.push( ):&lt;/h3&gt;</span><br><span class="line">      &lt;button @click=<span class="string">&quot;$router.push(&#x27;about&#x27;)&quot;</span>&gt;跳转到About页面&lt;/button&gt;</span><br><span class="line">      &lt;button @click=<span class="string">&quot;$router.push(&#x27;home&#x27;)&quot;</span>&gt;跳转到Home页面&lt;/button&gt;</span><br><span class="line">      &lt;hr&gt;</span><br><span class="line">      &lt;h3&gt;router.replace( ):&lt;/h3&gt;</span><br><span class="line">      &lt;button @click=<span class="string">&quot;$router.replace(&#x27;about&#x27;)&quot;</span>&gt;跳转到About页面&lt;/button&gt;</span><br><span class="line">      &lt;button @click=<span class="string">&quot;$router.replace(&#x27;home&#x27;)&quot;</span>&gt;跳转到Home页面&lt;/button&gt;</span><br><span class="line">      &lt;hr&gt;</span><br><span class="line">      &lt;button @click=&quot;$router.go(-1)&quot;&gt;后退一步&lt;/button&gt; # 后退一步</span><br><span class="line">    &lt;/header&gt;</span><br><span class="line">    &lt;!-- 对应的组件内容渲染到router-view中 --&gt;</span><br><span class="line">    &lt;router-view&gt;&lt;/router-view&gt;</span><br><span class="line">&lt;/div&gt;</span><br></pre></td></tr></table></figure>

<ul>
<li><p><strong>效果:</strong></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200902/^YUJW!cSQLyj.png" alt="点击router.push()方法跳转到Home效果"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200902/iOBWS9E^n6rm.png" alt="点击后退一步执行router.go(-1)效果"></p>
<p><img src= "/img/loading.gif" data-lazy-src="https://gitee.com/he_chaoming/blog_tuchuang/raw/master/20200902/8*UFTyuykBAe.png" alt="点击router.replace()方法跳转到Home效果"></p>
</li>
</ul>
</li>
</ul>
<hr>
<a class="btn-beautify button--animated blue center larger" target="_blank" rel="noopener" href="http://11wiki.top/2020/09/02/Vue%E7%9F%A5%E8%AF%86%E7%82%B9%E6%80%BB%E7%BB%93-%E4%BA%94-Vue%E8%B7%AF%E7%94%B1-vue-router-%E4%B8%8B/" 
  title="Vue路由第二部分"><i class="far fa-hand-point-right fa-fw"></i><span>Vue路由第二部分</span></a>

<p>​    </p>
<p>​    </p>
</li>
</ol>
</li>
</ul>
</article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta">文章作者: </span><span class="post-copyright-info"><a href="mailto:undefined">六根清静</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta">文章链接: </span><span class="post-copyright-info"><a href="https://liugenqingjing2.coding.me/2020/08/30/Vue%E7%9F%A5%E8%AF%86%E7%82%B9%E6%80%BB%E7%BB%93-%E4%BA%94-Vue%E8%B7%AF%E7%94%B1-vue-router%E4%B8%8A/">https://liugenqingjing2.coding.me/2020/08/30/Vue知识点总结-五-Vue路由-vue-router上/</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta">版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外，均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" target="_blank">CC BY-NC-SA 4.0</a> 许可协议。转载请注明来自 <a href="https://liugenqingjing2.coding.me" target="_blank">小何blog (记录美好)</a>！</span></div></div><div class="tag_share"><div class="post-meta__tag-list"><a class="post-meta__tags" 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href="#%E8%B7%AF%E7%94%B1%E6%A6%82%E5%BF%B5"><span class="toc-number">1.1.</span> <span class="toc-text">路由概念:</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E8%B7%AF%E7%94%B1%E4%B8%AD%E7%9A%84%E4%B8%89%E4%B8%AA%E5%85%B3%E9%94%AE%E8%AF%8D-route%EF%BC%8Croutes%EF%BC%8Crouter"><span class="toc-number">1.2.</span> <span class="toc-text">路由中的三个关键词(route，routes，router):</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#Vue%E8%B7%AF%E7%94%B1%E7%9A%84%E5%AE%9E%E7%8E%B0"><span class="toc-number">1.3.</span> <span class="toc-text">Vue路由的实现:</span></a><ol class="toc-child"><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%AE%89%E8%A3%85"><span class="toc-number">1.3.0.1.</span> <span class="toc-text">安装:</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%88%9B%E5%BB%BA%E8%B7%AF%E7%94%B1%E7%BB%84%E4%BB%B6"><span class="toc-number">1.3.0.2.</span> <span class="toc-text">创建路由组件:</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%AE%9A%E4%B9%89%E8%B7%AF%E7%94%B1%E8%A7%86%E5%9B%BE"><span class="toc-number">1.3.0.3.</span> <span class="toc-text">定义路由视图:</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%B0%86%E8%B7%AF%E7%94%B1%E5%AF%B9%E8%B1%A1%E6%B3%A8%E5%85%A5Vue%E5%AE%9E%E4%BE%8B%E4%B8%AD"><span class="toc-number">1.3.0.4.</span> <span class="toc-text">将路由对象注入Vue实例中:</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E8%BF%90%E8%A1%8C%E6%95%88%E6%9E%9C"><span class="toc-number">1.3.0.5.</span> <span class="toc-text">运行效果:</span></a></li></ol></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%8A%A8%E6%80%81%E8%B7%AF%E7%94%B1%E5%8C%B9%E9%85%8D%E5%92%8C%E8%B7%AF%E7%94%B1%E5%B5%8C%E5%A5%97"><span class="toc-number">1.4.</span> <span class="toc-text">动态路由匹配和路由嵌套:</span></a><ol class="toc-child"><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%8A%A8%E6%80%81%E8%B7%AF%E7%94%B1%E5%8C%B9%E9%85%8D-%E5%8F%82%E6%95%B0%E4%BC%A0%E9%80%92"><span class="toc-number">1.4.0.1.</span> <span class="toc-text">动态路由匹配(参数传递):</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%B5%8C%E5%A5%97%E8%B7%AF%E7%94%B1"><span class="toc-number">1.4.0.2.</span> <span class="toc-text">嵌套路由:</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E7%BC%96%E7%A8%8B%E5%BC%8F%E5%AF%BC%E8%88%AA"><span class="toc-number">1.4.0.3.</span> <span class="toc-text">编程式导航:</span></a></li></ol></li></ol></li></ol></li></ol></div></div></div><div class="card-widget card-recent-post"><div class="card-content"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item"><a class="thumbnail" href="/2021/03/21/Node-js%E5%AD%A6%E4%B9%A0-%E4%BA%8C%E5%8D%81%E4%B8%89-%E8%B7%A8%E5%9F%9F%E4%BB%8B%E7%BB%8D%E5%92%8CJSONP%E4%BB%8B%E7%BB%8D/" 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